Grocery Bag

This Grocery Bag lesson plan also includes:

Chemists are stretched to their limits with a polymer lesson. They cut strips from a plastic shopping bag and hang weights from them to discover which holds the most. The also pull Velcro apart in a similar investigation. Thorough background information on polymers and plastics is provided, along with a photograph of the lab setup to make it more clear. You will also find student activity sheets and an assessment rubric.